Quick:
what's the larest prime number that you know? Well, computer science professor... ...n January 25th at 23:30:26 UTC, the largest known prime number , 257,885,161-1,
was discovered on Gre... ...was discovered on Great Internet Mersenne Prime Search...

The Ulam
Spiral is a pattern of prime numbers discovered by a mathematician
while doo... ...d that he had created
a method to graph prime numbers that revealed a pattern.
(Left)... ...(Left) Ulam started by writing a grid of numbers...

Pi
Day was yesterday, so today m... ...celebrating something more sinister: Belphegor's Prime .
Belphegor's Prime is a prime number - you know, a number greater than
1 that cannot be wholly di... ...1 that...